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Detecting multiple authorship of United States Supreme Court legal decisions using function words

Jeffrey S. Rosenthal, Albert H. Yoon

The Annals of Applied Statistics · 2011 · Volume 5 · Issue 1

DOI: 10.1214/10-AOAS378

Abstract

This paper uses statistical analysis of function words used in legal judgments written by United States Supreme Court justices, to determine which justices have the most variable writing style (which may indicated greater reliance on their law clerks when writing opinions), and also the extent to which different justices’ writing styles are distinguishable from each other.

Keywords

chi-squared distribution, function words, law clerks, stylometry, United States Supreme Court, variability statistics

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